It's a specially-designed micro wireless earphone. It can be completely inserted into human’s ear and be invisible. It can receive audio information without any visible cables and connection to outside. The sound is louner than other kind of earpiece.http://s.tt/13Moj
Parameter:
Frequency Range: 200Hz~5400Hz
Distortion Rate: <2%
S/N Radio at 2KHz: >5KHz
Saturated Output(OSPL 90dB): 125dB
Ralative Sensitivity Limit: <-90dB
Static Current: 0.80mA
Battery Life (SR416SW battery):>3hrs
Application scope:
What's in the package:
1* Earpiece,
1* Battery,
1* Induction loop with microphone and 2.5mm audio plug,
2* Phone adapter(see pictures)
To buy other available Bluetooth accessory here:
Parameter:
Frequency Range: 200Hz~5400Hz
Distortion Rate: <2%
S/N Radio at 2KHz: >5KHz
Saturated Output(OSPL 90dB): 125dB
Ralative Sensitivity Limit: <-90dB
Static Current: 0.80mA
Battery Life (SR416SW battery):>3hrs
Application scope:
- Covert operation for security authority
- Broadcast agency
- Public security department
- Lottery industry
- Interview
- Spy student
- Other situation...
What's in the package:
1* Earpiece,
1* Battery,
1* Induction loop with microphone and 2.5mm audio plug,
2* Phone adapter(see pictures)
To buy other available Bluetooth accessory here:
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